feat: Add migration functionality to update template-based tasks and set custom_max_wait_days to NULL

src/app/api/project-tasks/route.js

@@ -4,6 +4,7 @@ import {
 	createProjectTask,
 } from "@/lib/queries/tasks";
 import { NextResponse } from "next/server";
+import db from "@/lib/db";
 
 // GET: Get all project tasks or task templates based on query params
 export async function GET(req) {
@@ -50,3 +51,65 @@ export async function POST(req) {
 		);
 	}
 }
+
+// PATCH: Handle special operations like migration
+export async function PATCH(req) {
+	try {
+		const data = await req.json();
+
+		if (data.action === "fix_max_wait_days") {
+			console.log(
+				"Running migration to fix template-based tasks max_wait_days..."
+			);
+
+			// Update existing template-based tasks to set custom_max_wait_days to NULL
+			const result = db
+				.prepare(
+					`
+				UPDATE project_tasks 
+				SET custom_max_wait_days = NULL 
+				WHERE task_template_id IS NOT NULL 
+				  AND custom_max_wait_days = 0
+			`
+				)
+				.run();
+
+			console.log(
+				`Migration completed. Updated ${result.changes} template-based tasks.`
+			);
+
+			// Return updated tasks to verify
+			const updatedTasks = db
+				.prepare(
+					`
+				SELECT 
+					pt.id, 
+					pt.task_template_id, 
+					pt.custom_max_wait_days, 
+					t.max_wait_days as template_max, 
+					t.name as template_name,
+					COALESCE(pt.custom_max_wait_days, t.max_wait_days) as calculated_max
+				FROM project_tasks pt 
+				LEFT JOIN tasks t ON pt.task_template_id = t.task_id 
+				WHERE pt.task_template_id IS NOT NULL
+			`
+				)
+				.all();
+
+			return NextResponse.json({
+				success: true,
+				message: `Updated ${result.changes} template-based tasks`,
+				updatedTasksCount: result.changes,
+				updatedTasks,
+			});
+		}
+
+		return NextResponse.json({ error: "Unknown action" }, { status: 400 });
+	} catch (error) {
+		console.error("Migration failed:", error);
+		return NextResponse.json(
+			{ error: "Migration failed", details: error.message },
+			{ status: 500 }
+		);
+	}
+}

src/lib/queries/tasks.js

@@ -60,10 +60,10 @@ export function getProjectTasks(projectId) {
 // Create a new project task
 export function createProjectTask(data) {
 	if (data.task_template_id) {
-		// Creating from template
+		// Creating from template - explicitly set custom_max_wait_days to NULL so COALESCE uses template value
 		const stmt = db.prepare(`
-			INSERT INTO project_tasks (project_id, task_template_id, status, priority)
+			INSERT INTO project_tasks (project_id, task_template_id, custom_max_wait_days, status, priority)
-			VALUES (?, ?, ?, ?)
+			VALUES (?, ?, NULL, ?, ?)
 		`);
 		return stmt.run(
 			data.project_id,